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The Positive Side of Special Education

Minimizing Its Fads, Fancies, and Follies

This book provides a description of special education practices that have had significant impact but lacked scientific validation.

before 2 years of age are highly unreliable, they are not accurate predictors of
later IQ scores (Rheingold & Pearce, 1939). ... These SD differences tend to
influence outcomes; an individual scoring 1 SD below the mean at age 6 and
scoring at ...